From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932979AbbBQNF6 (ORCPT ); Tue, 17 Feb 2015 08:05:58 -0500 Received: from www.linutronix.de ([62.245.132.108]:43670 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932943AbbBQNF4 (ORCPT ); Tue, 17 Feb 2015 08:05:56 -0500 Date: Tue, 17 Feb 2015 14:05:54 +0100 From: Sebastian Andrzej Siewior To: Mike Galbraith Cc: Steven Rostedt , LKML , linux-rt-users , Thomas Gleixner , Carsten Emde , John Kacur , Clark Williams Subject: Re: 3.14.23-rt20 - softirq: resurrect softirq threads Message-ID: <20150217130553.GL26177@linutronix.de> References: <20141031170326.1491a63f@gandalf.local.home> <1414910967.5380.81.camel@marge.simpson.net> <1414913507.5380.117.camel@marge.simpson.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1414913507.5380.117.camel@marge.simpson.net> X-Key-Id: 97C4700B X-Key-Fingerprint: 09E2 D1F3 9A3A FF13 C3D3 961C 0688 1C1E 97C4 700B User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Mike Galbraith | 2014-11-02 08:31:47 [+0100]: >(sirqs suck, this makes them suck less for some boxen/loads) > >Subject: softirq: resurrect softirq threads >From: Mike Galbraith >Date: Mon Jan 6 08:42:11 CET 2014 > >Some loads cannot tolerate the jitter induced by all softirqs being processed >at the same priority. Let the user prioritize them again. > >Signed-off-by: Mike Galbraith I'm going to postpone this. While it might make sense in general I'm going to wait for tglx, Steven and others to see if this is what we want or if there are some plans redoing the softirq handling. Sebastian